Senior ServiceNow Developer

About DMI DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, efficient, and cost-effective solutions that drive measurable results. Learn more at About the Opportunity DMI, LLC is seeking a Senior ServiceNow Developer to build and maintain platform capability for the U.S. Senate Sergeant at Arms (SAA).This is the deepest technical role on the program. It covers configuration and application development, integrations with other enterprise systems, mobile capability, performance troubleshooting, and the technical documentation the customer will depend on after transition. Work is delivered iteratively against a customer-approved backlog, with every release passing testing, readiness review, and formal acceptance before production.Duties and Responsibilities:Platform Development and ConfigurationProvide advanced technical knowledge managing, configuring, developing, and implementing the ServiceNow platform.Translate application story cards, business requirements, and use cases into functional service requests and workflows within ServiceNow.Design, develop, configure, test, deploy, and maintain ServiceNow applications and platform capabilities in accordance with established development standards and best practices.Deliver against approved acceptance criteria and the customer-approved Definition of Done.IntegrationsDesign, develop, and support integrations between ServiceNow and other enterprise systems and applications.Work hands-on with ServiceNow integration technologies, APIs, web services, IntegrationHub, or other applicable integration methods.Design integrations following least-privilege access principles, with appropriate error handling and monitoring.Mobile CapabilityDevelop and support mobile capabilities and solutions within the ServiceNow platform.Design, configure, and develop ServiceNow mobile applications and mobile user experiences.Troubleshooting and PerformanceIdentify application, integration, workflow, and performance bottlenecks or defects.Troubleshoot root causes and design and implement appropriate solutions rather than symptomatic fixes.Documentation and CollaborationDevelop and maintain technical and system application documentation, including application configurations, integrations, data flows, interfaces, technical designs, and development procedures.Collaborate with Product Owners, business stakeholders, architects, cybersecurity personnel, quality assurance resources, and other developers to ensure solutions meet functional, technical, security, integration, and performance requirements.Support release readiness reviews and produce release and deployment documentation, including rollback procedures Qualifications Education , Certifications and Years of Experience: Bachelor of Science degree.Five or more years of relevant experience.ITIL certification.ServiceNow certification or demonstrated equivalent platform expertise.Completion of ServiceNow integration training or certification.Completion of ServiceNow mobile development training or certification.Experience with the ServiceNow Automated Test Framework (ATF).Federal or Legislative Branch development experience within a change-controlled environment.Required Skills: Advanced, demonstrated ServiceNow development experience across configuration, scripting, workflow, and application development.Demonstrated experience building and supporting integrations between ServiceNow and external enterprise systems, hands-on with APIs, web services, and IntegrationHub or equivalent.Demonstrated experience designing, configuring, or developing ServiceNow mobile applications and mobile user experiences.Demonstrated performance troubleshooting and root cause analysis on the ServiceNow platform.Experience working within established development standards, source control, and a controlled promotion process between development and production.Ability to produce technical documentation to a standard a Government customer will accept and maintain after transition.Strong written and verbal communication skills.Ability to successfully complete the background investigation required for U.S. Senate facility and system access, and to meet ongoing personnel security reporting requirements. [Confirm investigation level and adjudication timeline.This position is designated Key Personnel under the contract. Substitution requires customer notification and approval.Deliverables are subject to formal Government review and written Contracting Officer's Representative (COR) acceptance.Background Requirements: Successful completion of a Public Trust background investigation and/or a Public Trust clearance.Employment Type: Full-TimeCitizenship Status Required: Must be a U.S. CitizenPhysical Requirements: None required for this position.Location: Washington, DCWork Arrangement:This is a hybrid position, with some work performed on-site in Washington, DC in support of the U.S. Senate Sergeant at Arms.Occasional after-hours or weekend work may be required for production deployments and incident response.#LI-MS3 Minimum Salary Rate $102,495 Median Salary Rate $128,119 Working at DMI DMI is a diverse, prosperous, and rewarding place to work. Our culture is shaped by five core values that guide how we work, grow, and succeed together:Do What’s Right – We lead with honesty and integrity.Own the Outcome – We take responsibility and deliver.Deliver for Our Customers – We are relentless about delivering value.Think Bold, Act Smart – We innovate with purpose.Win Together – We collaborate and celebrate our success.These values aren’t just ideals—they show up in how we support every part of your well-being:Convenience/Concierge – Virtual health visits, commuter perks, pet insurance, and entertainment discounts that make life easier.Development – Annual performance reviews, tuition assistance, and internal career growth opportunities to help you thrive.Financial – Generous 401(k) matches, life and disability insurance, and financial wellness tools to support your future.Recognition – Annual awards, service anniversaries, referral bonuses, and peer-to-peer shoutouts that spotlight your achievements.Wellness – Healthcare coverage, wellness programs, flu shots, and biometric screenings to support your health.DMI values employees for their talents and contributions, and we take pride in helping our customers achieve their goals. Because when we live our values, we all win together.***************** No Agencies Please *****************Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. US citizenship may be required for some positions.Job SummaryJob ID: 2026-28951Category: Software DevelopmentLocation: US-DC-Washington